Bulldozers turn old homes into rubble and dust fills air. Concrete dust released by a building demolition is a major source of dangerous air pollution. Tearing down old building on a construction site0:15

Tearing down old building on a construction site. Concrete dust released by a building demolition is a major source of dangerous air pollution health concerns due to toxicity. Crawler dozer turning homes into rubble and dust fills the air0:30